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All results from a given calculation for CH3NO2 (Methane, nitro-)

using model chemistry: B2PLYP=FULLultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS Os out of place 1A'
Energy calculated at B2PLYP=FULLultrafine/6-31+G**
 hartrees
Energy at 0K-244.812164
Energy at 298.15K 
HF Energy-244.569166
Nuclear repulsion energy124.109181
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP=FULLultrafine/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3230 3230 1.59      
2 A' 3126 3126 1.71      
3 A' 1505 1505 12.32      
4 A' 1441 1441 0.93      
5 A' 1404 1404 70.23      
6 A' 1151 1151 0.33      
7 A' 921 921 5.06      
8 A' 658 658 21.67      
9 A' 598 598 4.04      
10 A" 3260 3260 0.05      
11 A" 1627 1627 249.25      
12 A" 1493 1493 47.89      
13 A" 1129 1129 11.17      
14 A" 479 479 0.82      
15 A" 39 39 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 11030.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11030.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULLultrafine/6-31+G**
ABC
0.40274 0.34987 0.19412

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.326 0.000
N2 -0.012 0.168 0.000
H3 1.047 -1.630 0.000
H4 -0.494 -1.664 0.904
H5 -0.494 -1.664 -0.904
O6 0.001 0.734 -1.099
O7 0.001 0.734 1.099

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49471.08841.08491.08492.33462.3346
N21.49472.08652.09902.09901.23561.2356
H31.08842.08651.78701.78702.80802.8080
H41.08492.09901.78701.80873.16282.4555
H51.08492.09901.78701.80872.45553.1628
O62.33461.23562.80803.16282.45552.1972
O72.33461.23562.80802.45553.16282.1972

picture of Methane, nitro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O6 117.220 C1 N2 O7 117.220
N2 C1 H3 106.688 N2 C1 H4 107.857
N2 C1 H5 107.857 H3 C1 H4 110.617
H3 C1 H5 110.617 H4 C1 H5 112.928
O6 N2 O7 125.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.331      
2 N 0.092      
3 H 0.189      
4 H 0.188      
5 H 0.188      
6 O -0.163      
7 O -0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.019 -3.773 0.000 3.773
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.001 -0.086 0.000
y -0.086 -22.676 0.000
z 0.000 0.000 -26.965
Traceless
 xyz
x 2.819 -0.086 0.000
y -0.086 1.807 0.000
z 0.000 0.000 -4.626
Polar
3z2-r2-9.252
x2-y20.675
xy-0.086
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.051 -0.048 0.000
y -0.048 4.581 0.000
z 0.000 0.000 5.648


<r2> (average value of r2) Å2
<r2> 65.003
(<r2>)1/2 8.062